Designed according to the size of the inner eight-speed hub. The outer diameter of the main body is only 80mm; the rated parameter is 36V / 220~250W; it can be adapted to disc brakes or V brakes. The product weighs 1.7kg and can achieve a maximum power of 500W. It has an ultra-wide efficiency platform with a maximum efficiency of up to 80%; its no-load noise is less than 55dB; its protection level reaches IP65; it is an excellent choice for urban and road bikes.

Parameter details

Key Parameter

ElectricRated Voltage (V)36
Rated Power (W)220~250
Current Limit of Controller (A)15
PerformanceWheel Size700C ~ 16''
System Efficiency≥ 80%
Efficiency Platform (Above 70%)2.5Nm-24Nm
Max Torque (15A)≥35NM
No-load Speed (rpm)245
Rated Speed (rpm)220
Noise Level (dB)≤55 dB(L=1m)
Connection MethodElectricThree-phase, Hall


Structural Parameters

Installation ParametersMotor PositionRear Wheel
Brake TypeDisc / V brake
OLD130mm Belt single Speed
135mm Cassette 3 Speed
150mm Cassette 7 Speed
Cabling RouteSide, Left
Lead Cable Length250mm with Connector
Cable Connector9-core Threaded Connector
MechanicalCase OD (mm)
Spoke PCD (mm)91
Weight (kg)1.7
ColourBlack / Silver or Customized
StructureReduction Ratio12.2
Speed Magnet Num6

Working Environment and Reliability

SurroundingsOperating Temperature ()-20 ~ 45
Ingress ProtectionIP66
Anti-corrosion Grade (h)72